The DVD volume 1 of "Sengoku Basara
" includes a 5min anime "Mini Sengoku BASARA: Shousokabe-kun to Mouri-kun" episode 1. The anime probably features the chibi-characters, which will be released as mini figures in May.
Pictures of the mini figures of BASARA (4Gamers)
Each volume of "Queen's Blade: Rurou no Senshi
" and "Tayutama -Kiss on my Deity-
" DVD also has a short anime titled "Minna Dechauyo Gynos Gakuen Oabare!" and "TayuTayu -Pure my heart-", respectively. Six volumes of the DVD will be released for each of the two titles.
Source: Amazon Japan (QB)
Source: Neowing (Tayutama)
The Blu-ray and DVD volume 5 of "To Aru Majutsu no Index
" includes "To Aru Majutsu no Index-tan
" episode 2. It will be released on May 22nd.
The DVD volume 4 of "Toradora!
" includes "Toradora SOS!
" episode 2. It will be released on April 22nd.
Source: Dengeki Bootleg